Inline pH Measuring Assembly Kit pH Range 0 to 14 Waterproof Yes Automatic Temperature Compensation No Operating Temp Range (C) 0 Degrees to 80 Degrees Calibration Periodically Interface Tinned Leads Cable Length 10 ft Includes pH Electrode Inline Adapter 3/4 in Flow Cell Cable assembly Manufacturers Warranty Length 1 yr. Range 0 to 14 pH